261441367432624 has 10 divisors (see below), whose sum is σ = 506542649400740. Its totient is φ = 130720683716304.

The previous prime is 261441367432607. The next prime is 261441367432631. The reversal of 261441367432624 is 426234763144162.

It is a super-3 number, since 3×261441367432624³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8170042732254 + ... + 8170042732285.

It is an arithmetic number, because the mean of its divisors is an integer number (50654264940074).

Almost surely, 2^{261441367432624} is an apocalyptic number.

It is an amenable number.

261441367432624 is a deficient number, since it is larger than the sum of its proper divisors (245101281968116).

261441367432624 is a wasteful number, since it uses less digits than its factorization.

261441367432624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16340085464547 (or 16340085464541 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 55.

The spelling of 261441367432624 in words is "two hundred sixty-one trillion, four hundred forty-one billion, three hundred sixty-seven million, four hundred thirty-two thousand, six hundred twenty-four".